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Panasonic SA-AKX12LM-K - User Manual

Panasonic SA-AKX12LM-K
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© Panasonic Corporation 2011. All rights reserved.
Unauthorized copying and distribution is a violation
of
law.
MEX1105003CE
CD Stereo System
Model No.
SA-AKX12LM-K
Product Color: (K)...Black Type
TABLE OF CONTENTS
1 Safety Precautions
1.1. General Guidelines
1.3. Caution For Fuse Replacement
1.4. Before Repair and Adjustment
1.5. Protection Circuitry
1.6. Safety Parts Information
2 Warning
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatic Sensitive (ES) Devices
2.2. Precaution of Laser Diode
2.3. Service caution based on Legal restrictions
2.4. Handling Precautions for Traverse Unit
3 Service Navigation
3.1. Service Information
4 Specifications
5 Location of Controls and Components
5.1
. Main Unit Key Button Operation
5.2
. Remote Control Key Button Operation
5.3
. Media Information
6 Self-Diagnostic and Special Mode Setting
6.1
. Cold-Start
6.2
. Doctor Mode Table
6.
3. Reliability Test Mode (CD Mechanism Unit
(BRS1C))
6.4
. Self-Diagnostic Mode
6.5
. Self-Diagnostic Error Code Table
6.6
. Sales Demonstration Lock Function
Please refer to the original service manual for:
CD Mechanism Unit (BRS1C), Order No. PSG1102001CE
Speaker system SB-AKX12LM-K, Order No. MEX1105004CE
Nota: El idioma original de este Manual de Servicio es en idioma inglés, sin embargo algunas notas aquí mencionadas
serán escritas en español para mejor descripción para Centros de Servicio de México.
1

Table of Contents

Questions and Answers

  • X
    xmccormickAug 1, 2025
    Why won't my Panasonic Stereo System turn on?
    • C
      Claudia MorrowAug 1, 2025
      If your Panasonic Stereo System won't turn on, there are several potential causes: * A faulty or loosely connected AC cord. * A solder crack or dry joint at P5701 or PC5702/PC5799. * An open fuse (F1). * A dry joint, short circuit, or open circuit. * A faulty IC5701 or IC5799. Troubleshooting these issues may involve checking the connections, examining the mentioned components for damage, and ensuring the fuse is intact.
  • C
    Carl ReedAug 8, 2025
    What to do if my Panasonic SA-AKX12LM-K Stereo System turns on and then shows F61 error?
    • Z
      zacharyrobertsAug 9, 2025
      If your Panasonic Stereo System turns on and then displays 'F61', the issue could stem from: * A faulty speaker unit. * A loose connection or short circuit related to the speakers. * A defective D-AMP IC (IC5902).
  • R
    rebeccawalkerAug 16, 2025
    What to do if my Panasonic SA-AKX12LM-K turns on and then shows F76 error?
    • A
      amy69Aug 16, 2025
      If your Panasonic Stereo System turns on and then displays 'F76', it could be due to: * A short circuit between pins 14 and 15, 15 and 16, or 16 and 17. * A faulty Voltage Regulator IC (IC2010) or Switching Regulator IC (IC2011). * A solder crack at PC5720. * A dry joint, short circuit, or open circuit.
  • K
    Keith PhillipsAug 25, 2025
    Why does my Panasonic SA-AKX12LM-K Stereo System work for a while then show F76?
    • M
      Meghan MyersAug 25, 2025
      If your Panasonic Stereo System works for a while and then displays 'F76', the problem might be: * Improper contact between D5801 or D5802 and the heatsink. * The system triggering temperature protection.

Summary

Safety Precautions

Warning

Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices

Measures to prevent damage from static discharge to sensitive electronic components.

Precaution of Laser Diode

Safety precautions when handling the laser diode.

Handling Precautions for Traverse Unit

Specific handling instructions for the traverse unit and optical pickup.

Self-Diagnostic and Special Mode Setting

Troubleshooting Guide

Troubleshooting Guide for F61 and;or F76

Checking procedures for specific error codes (F61, F76) related to SMPS & Main PCB.

Disassembly and Assembly Instructions

Replacement of Voltage Regulator IC (IC2010)

Detailed steps for replacing the voltage regulator IC.

Replacement of Audio Digital Amp IC (IC5902)

Detailed steps for replacing the audio digital amp IC.

Replacement of Switching Regulator IC (IC5701)

Detailed steps for replacing the switching regulator IC.

Replacement of Rectifier Diode (D5702)

Detailed steps for replacing rectifier diode D5702.

Replacement of Rectifier Diode (D5801)

Detailed steps for replacing rectifier diode D5801.

Replacement of Rectifier Diode (D5802)

Detailed steps for replacing rectifier diode D5802.

Replacement of Regulator Diode (D5803)

Detailed steps for replacing regulator diode D5803.

Replacement of Traverse Unit

Disassembly of Traverse Unit

Step-by-step guide to disassemble the traverse unit.

Assembly of Traverse Unit

Detailed instructions for assembling the traverse unit.

Disassembly of CD Servo P.C.B.

Steps to disassemble the CD servo PCB.

Voltage & Waveform Chart

Schematic Diagram

CD Servo Circuit

Schematic diagram of the CD servo circuit.

Main Circuit

Schematic diagram of the main circuit.

Panel, LCD, Remote Sensor & USB Circuit

Schematic diagrams for panel, LCD, remote sensor, and USB circuits.

Tuner Circuit

Schematic diagram of the tuner circuit.

SMPS Circuit

Schematic diagram of the SMPS circuit.

Printed Circuit Board

Terminal Function of ICs

IC2003 (*-MN101 EF16 KXW): IC MICROPROCESSOR

Pin functions for the microprocessor IC (IC2003).

IC900(C0 HBA0000295): IC FL Driver

Pin functions for the FL driver IC (IC900).

Exploded View and Replacement Parts List

Panasonic SA-AKX12LM-K Specifications

General IconGeneral
BrandPanasonic
ModelSA-AKX12LM-K
CategoryStereo System
BluetoothYes
USB PlaybackYes
FM RadioYes
CD PlayerYes
AUX InputYes
Remote ControlYes
Number of Discs1
Speaker Configuration2.0
Playable FormatsMP3

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